Finding the Fourth Proportional to 165,391.74, 228,320.81 and 110,924.00
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Solution
The fourth proportional to 165,391.74, 228,320.81 and 110,924.00 is: 153,128.90
Step by Step Solution
- Step 1: Write the proportion equation
165,391.74 : 228,320.81 = 110,924.00 : x - Step 2: Convert to fraction form
165,391.74/228,320.81 = 110,924.00/x - Step 3: Cross multiply
165,391.74x = 228,320.81 × 110,924.00 - Step 4: Simplify right side
165,391.74x = 25,326,255,832.22 - Step 5: Solve for x
x = 25,326,255,832.22/165,391.74 - Step 6: Final answer
x = 153,128.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.